Ancient quasar imaged when the Universe lacked heavy metal | Ars Technica - discu.eu

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Ancient quasar imaged when the Universe lacked heavy metal http://arstechnica.com/science/2012/12/ancient-quasar-imaged-when-the-universe-lacked-heavy-metal/ 14 comments 5/12/2012 science

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Astronomers locate a miniature quasar in Andromeda | Ars Technica http://arstechnica.com/science/2012/12/astronomers-locate-a-miniature-quasar-in-andromeda/ 0 comments

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